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64 lines
2.3 KiB
Plaintext
64 lines
2.3 KiB
Plaintext
@node fprintf
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@section @code{fprintf}
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@findex fprintf
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POSIX specification: @url{http://www.opengroup.org/susv3xsh/fprintf.html}
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Gnulib module: fprintf-posix or stdio, sigpipe
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Portability problems fixed by Gnulib module @code{fprintf-posix}:
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@itemize
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@item
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This function does not support size specifiers as in C99 (@code{hh}, @code{ll},
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@code{j}, @code{t}, @code{z}) on some platforms:
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AIX 5.1, HP-UX 11.23, IRIX 6.5, OSF/1 5.1, Solaris 9, Cygwin 2006, mingw, BeOS.
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@item
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printf of @samp{long double} numbers is unsupported on some platforms:
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mingw, BeOS.
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@item
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printf @code{"%f"}, @code{"%e"}, @code{"%g"} of Infinity and NaN yields an
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incorrect result on some platforms:
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AIX 5.2, OSF/1 5.1, Solaris 10, mingw.
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@item
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This function does not support the @samp{a} and @samp{A} directives on some
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platforms:
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glibc-2.3.6, MacOS X 10.3, NetBSD 3.0, OpenBSD 4.0, AIX 5.2, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin, mingw, BeOS.
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@item
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This function does not support the @samp{F} directive on some platforms:
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NetBSD 3.0, AIX 5.1, HP-UX 11.23, IRIX 6.5, OSF/1 5.1, Solaris 9, Cygwin, mingw, BeOS.
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@item
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This function does not support format directives that access arguments in an
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arbitrary order, such as @code{"%2$s"}, on some platforms:
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NetBSD 3.0, mingw, BeOS.
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@item
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This function doesn't support the @code{'} flag on some platforms:
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NetBSD 3.0, Cygwin 2006, mingw.
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@item
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This function behaves incorrectly when a @samp{-} flag and a negative width
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are specified together, on some platforms:
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HP-UX 10.20.
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@item
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printf @code{"%010f"} of NaN and Infinity yields an incorrect result (padded
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with zeroes) on some platforms:
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MacOS X 10.3, FreeBSD 6.0, NetBSD 3.0, AIX 5.2, IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin 2007, mingw.
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@item
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This function does not support precisions larger than 512 or 1024 in integer,
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floating-point and pointer output on some platforms:
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mingw, BeOS.
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@item
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This function can crash in out-of-memory conditions on some platforms:
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MacOS X 10.3, FreeBSD 6.0, NetBSD 3.0.
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@end itemize
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Portability problems fixed by Gnulib module @code{stdio} or @code{fprintf-posix}, together with module @code{sigpipe}:
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@itemize
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@item
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When writing to a pipe with no readers, this function fails, instead of
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obeying the current @code{SIGPIPE} handler, on some platforms:
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mingw.
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@end itemize
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Portability problems not fixed by Gnulib:
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@itemize
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@end itemize
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